Question

Rezolvati:
a) 1 supra 2³-1 supra 2 la a-4-a - 1 supra 2 la a-6-a=

b) 1 supra 3²-2 supra 3 la a-4-a - 2 supra 3 la a-5-a - 2 supra 3 la a-6-a=

c) 1 supra 5 - 4 supra 5² - 4 supra 5³ - 4 supra 5 la a-4-a=
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PLZ REPEDEE!

Answer 1

a) =1/8-1/16-1/64=(8-4-1)/64=3/64=0,046875

b) =(3⁴-2x3²-2x3-2)/3⁶=(81-18-6-2)/729=55/729

c)=(5³-4x5²-4x5-4)/625=(125-100-20-4)/625=1/625=0,0016